8
TASCAM US-144
2 – Parts of the US-144
7
INPUT knobs (L, R)
Adjust the level
of the audio signal being input to the
MIC
IN
jacks and
LINE IN
jacks.
8
SIG/OL indicators
Light when sig-
nals are being input to the input channels
(
L
,
R
). They will light green to indicate a
signal is present, and will light red imme-
diately before distortion occurs. These
indicators apply only to the analog inputs.
NOTE
These indicators will light green when
the input signal level is in the range of
-30 dBFS to -2 dBFS. The indicators will
light red when the input signal level
exceeds -2 dBFS.
9
MIC/LINE-GUITAR select switch
Set
this switch as appropriate for the input
source you have connected to the
LINE IN
jack R channel. Use the
GUITAR
position if
you have directly connected an electric
guitar or electric bass. Use the
MIC/LINE
position if you have connected an electronic
musical instrument, audio device, or mic.
0
PHANTOM switch
Turns on the
+48V phantom power supplied to the
MIC
IN
jacks.
WARNING
Microphones should not be connected
to or disconnected from the US-144
with phantom power switched on.
Unbalanced dynamic microphones
should never be connected to phantom-
powered connectors.
NOTE
Turn this switch on only if you are using
condenser microphones that require
phantom power.
Please note that if you are operating
the unit with a battery-powered laptop
computer, the battery life of the com-
puter will be reduced if the
PHANTOM
switch is on.
Rear panel
q
USB connector
Use a USB cable to
connect this to the host computer’s USB
2.0 port. The US-144 obtains power from
the host computer via the USB cable. In
rare cases, a computer’s USB port may not
be able to supply enough power to operate
the US-144. If this occurs, consider pur-
chasing a USB 2.0 hub that comes with its
own external power supply.
NOTE
If the US-144 is operating with a USB 1.1
(Full Speed) connection, only two chan-
